Process cartridge and image forming apparatus

Details Process cartridge and image forming apparatus Process cartridge and image forming apparatus

2007-11-20

2007-11-20

Gray, David M. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S111000, C399S119000

Reexamination Certificate

active

11061876

ABSTRACT:
A developing cartridge includes an engagement device that is capable of being engaged with an engaging member associated with a frame, wherein: the engagement device can be placed in a restricting state where the engagement device is engaged with the engaging member, the engagement device can be placed in an unrestricting state where the engagement device is disengaged from the engaging member, and the engagement device is automatically placed in the unrestricting state when the developing cartridge is placed in an image forming device.

REFERENCES:
patent: 6075957 (2000-06-01), Batori et al.
patent: 6647227 (2003-11-01), Yokoi et al.
patent: 6751428 (2004-06-01), Okabe
patent: A 2003-084645 (2003-03-01), None
patent: A 2003-107975 (2003-04-01), None

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